MESON Chess Problem Database
Problem Display
PID: 193541 (N2r4/2p1p3/rP3R2/1k1Bqp2/nPR5/3n1p2/1QP1Pb1p/7K w - - 0 1)
Marin y Llovet, Valentin
2nd HM., Barcelona Ty., 1915
#2
10 + 12
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qxb2
- 2.Sxc7#
- 1...Qc3
- 2.Sxc7#
- 1...Qd4
- 2.Sxc7#
- 1...Qxe2
- 2.Sxc7#
- 1...Qe3
- 2.Sxc7#
- 1...Qe4
- 2.Sxc7#
- 1...Sxb4
- 2.Qxb4#
- 1...Qxb2
- Tries
- 1.Re4?
- threat
- 2.Bc4#
- 2.Bc6#
- 2.c4#
- 1...Qxb2
- 2.Sxc7#
- 2.Bc6#
- 1...Qxf6
- 2.c4#
- 1...Qxe4
- 2.Sxc7#
- 1...Qxd5
- 2.Sxc7#
- 1...Rxb6
- 2.Bc4#
- 1...Raxa8
- 2.Bc4#
- 1...Rxd5
- 2.c4#
- 1...Rdxa8
- 2.Bc4#
- 2.c4#
- 1...Sdxb2
- 2.Bc6#
- 1...Sxb4
- 2.Qxb4#
- 1...Saxb2
- 2.Bc6#
- 1...Sxb6
- 2.Bc6#
- 1...fxe4
- 2.c4#
- 1...exf6
- 2.c4#
- 1...Ra5
- 2.Bc4#
- 1...Ra7
- 2.Bc4#
- 1...Sc3
- 2.Bc6#
- 1...Sac5
- 2.Bc6#
- 1...Qd4
- 2.Sxc7#
- 1...Qd6
- 2.c4#
- 1...Qe6
- 2.c4#
- 1...Rd6
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...c6
- 2.Bc4#
- 2.Bxc6#
- 2.c4#
- 1...e6
- 2.c4#
- 1...Qc3!
- threat
- 1.Rc5+?
- 1...Bxc5
- 2.c4#
- 1...Sdxc5
- 2.c4#
- 1...Saxc5!
- 1...Bxc5
- 1.Re4?
- Keys
- 1.Rd4!
- threat
- 2.Bc4#
- 2.Bc6#
- 2.c4#
- 1...Qxd4
- 2.Sxc7#
- 1...Qxf6
- 2.c4#
- 1...Qxd5
- 2.Sxc7#
- 1...Rxb6
- 2.Bc4#
- 1...Raxa8
- 2.Bc4#
- 1...Rxd5
- 2.c4#
- 1...Rdxa8
- 2.Bc4#
- 2.c4#
- 1...Bxd4
- 2.c4#
- 1...Sdxb2
- 2.Bc6#
- 1...Sxb4
- 2.Qxb4#
- 1...Saxb2
- 2.Bc6#
- 1...Sxb6
- 2.Bc6#
- 1...exf6
- 2.c4#
- 1...Ra5
- 2.Bc4#
- 1...Ra7
- 2.Bc4#
- 1...Sc3
- 2.Bc6#
- 1...Sac5
- 2.Bc6#
- 1...Qd6
- 2.c4#
- 1...Qe4
- 2.Sxc7#
- 2.Bc4#
- 2.c4#
- 1...Qe6
- 2.c4#
- 1...Rd6
- 2.c4#
- 1...c6
- 2.Bc4#
- 2.Bxc6#
- 2.c4#
- 1...e6
- 2.c4#
- threat
- 1.Rd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 18
- REMOVED MATES = 5
- Sets
- Q(g);N_GUARD,XQ(B)::S(J),XP(j)
- Q(g);N_GUARD::S(J),XP(j)
- Q(g);N_GUARD,XP(D)::S(J),XP(j)
- S(c);OGATE,P_SPINS(c),XP(E)::QAR1(B),XS(c)
- Tries
- Try
- R(F);
- Threat
- DUALS(3)
- Vars
- Q(g);XR(I)::P(C)
- Q(g);N_GUARD,XR(F)::S(J),XP(j)
- Q(g);N_GUARD,XB(G)::S(J),XP(j)
- R(i);XP(H)::B(G)
- R(i);XS(J)::B(G)
- R(l);XB(G)::P(C)
- S(c);XQ(B)::B(G)
- S(c);OGATE,P_SPINS(c),XP(E)::QAR1(B),XS(c)
- S(e);XQ(B)::B(G)
- S(e);XP(H)::B(G)
- P(h);XR(F)::P(C)
- P(k);XR(I)::P(C)
- R(i);::B(G)
- S(e);::B(G)
- Q(g);N_GUARD::S(J),XP(j)
- Q(g);::P(C)
- R(l);::P(C)
- B(a);::P(C)
- P(k);::P(C)
- Refutation
- Q(g);
- Try
- R(F);CHECK
- Vars
- B(a);XR(F)::P(C)
- S(c);XR(F)::P(C)
- Refutation
- S(e);XR(F)
- Try
- Actual
- R(F);
- Threat
- DUALS(3)
- Vars
- Q(g);N_GUARD,XR(F)::S(J),XP(j)
- Q(g);XR(I)::P(C)
- Q(g);N_GUARD,XB(G)::S(J),XP(j)
- R(i);XP(H)::B(G)
- R(i);XS(J)::B(G)
- R(l);XB(G)::P(C)
- B(a);XR(F)::P(C)
- S(c);XQ(B)::B(G)
- S(c);OGATE,P_SPINS(c),XP(E)::QAR1(B),XS(c)
- S(e);XQ(B)::B(G)
- S(e);XP(H)::B(G)
- P(k);XR(I)::P(C)
- R(i);::B(G)
- S(e);::B(G)
- Q(g);::P(C)
- R(l);::P(C)
- P(k);::P(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).